Year	% of working-age population
1960	66.74599237669206
1961	68.43695925097404
1962	69.54539792279783
1963	69.84573344622372
1964	69.39612577938861
1965	68.19728873067021
1966	66.660390465309
1967	65.2165455753505
1968	63.791911616687194
1969	62.34617942197613
1970	60.89224112805351
1971	59.458055318301795
1972	58.059822853007546
1973	56.703143247301334
1974	55.422657584844984
1975	54.27924024928018
1976	53.337390262316184
1977	52.67480895046774
1978	52.278189636676544
1979	52.12376152044445
1980	52.13339905451123
1981	52.1986853988627
1982	52.38612866952095
1983	52.84495395067418
1984	53.621876121970104
1985	54.52435628216825
1986	55.44502960304188
1987	56.301155966106585
1988	56.88511263210343
1989	57.092452177614604
1990	56.989110718370775
1991	56.71629439719332
1992	56.44091659945932
1993	56.13739046091444
1994	55.590724489357214
1995	54.74910657206637
1996	53.624222572957734
1997	52.344825725637335
1998	50.94354273866005
1999	49.383427158157865
2000	48.08535545532428
2001	47.05658544156762
2002	45.89598405629407
2003	44.65051321770386
2004	43.56412967664122
2005	42.66973045207131
2006	41.9700504317299
2007	41.439680578375956
2008	40.932418750359226
2009	40.44851951795181
2010	39.932779928820054
2011	39.443124011706466
2012	39.125350874761
2013	39.26543175304325
2014	40.30775439545683
2015	41.9566137979295
2016	43.673776073419965
2017	45.29388220243033
2018	46.74324351426696
2019	48.10278714460266
2020	49.26405406094318
2021	50.177495553933085
2022	47.700024375302874
2023	46.43586452175142